M. H. M. Kamal, M. N. Islam, A. S. Hossain, M. A. Kabir, M. Begum, and J. Sabah, “Duplex Ultrasound Evaluation of Chronic Venous Disease According to CEAP Classification: A Prospective Hemodynamic Study ”, B J Rad. Img., vol. 34, no. 1, pp. 1–5, Jun. 2026.